(a) A person commits the crime of disturbing a judicial proceeding if, with purpose to intimidate a judge, attorney, juror, party or witness, and thereby to influence a judicial proceeding, he disrupts or disturbs a judicial proceeding by participating in an assembly and calling aloud, shouting, or holding or displaying a placard or sign containing written or printed matter, concerning the conduct of the judicial proceeding, or the character of a judge, attorney, juror, party or witness engaged in such proceeding, or calling for or demanding any specified action or determination by such judge, attorney, juror, party or witness in connection with such proceeding.

    (b) Disturbing a judicial proceeding is a class A misdemeanor.

(Code 1964, § 7.965)

     State law reference(s)--Similar provisions, RSMo. § 575.250.